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sellWeak cluster of 610b5-1 plan

Thomas J Seifert sold $4.6M of NET

Chief Financial Officer at Cloudflare, Inc.. 28,635 shares at an average of $162.07, traded Feb 19, 2025, filed Feb 19, 2025.

Warning score
27
Value
$4.6M
28,635 shares
Holdings after
293,582
-9% from before
From 52-week low
-
no price yet
From 52-week high
-
no price yet

Score components

  • Role
    CFO
    +22
  • Trade size
    $4.6M at market
    +25
  • Share of holdings sold
    Sold 8.9% of holdings
    0
  • Cluster
    6 insiders selling within 14 days
    +15
  • Exercise and sell
    Shares came from an option exercise in the same filing
    -15
  • 10b5-1 plan
    Pre-scheduled under a 10b5-1 plan
    -20

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

NETOct 9, 2026 · close 360.93
Since filing Feb 19, 2025: +124.8%SPY +29.5% · excess +95.2%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001477333-25-000032, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Feb 15, 2025FTax withholding
Class A Common Stock10b5-1
-14,898$171.16$2.5M307,217Feb 19, 2025
Feb 19, 2025CConversion
Class A Common Stock10b5-1
+15,000--322,217Feb 19, 2025
Feb 19, 2025SOpen-market sale
Class A Common Stock10b5-1
-9,674$160.39$1.6M312,543Feb 19, 2025
Feb 19, 2025SOpen-market sale
Class A Common Stock10b5-1
-2,970$161.49$480k309,573Feb 19, 2025
Feb 19, 2025SOpen-market sale
Class A Common Stock10b5-1
-6,041$162.42$981k303,532Feb 19, 2025
Feb 19, 2025SOpen-market sale
Class A Common Stock10b5-1
-8,450$163.37$1.4M295,082Feb 19, 2025
Feb 19, 2025SOpen-market sale
Class A Common Stock10b5-1
-600$164.29$99k294,482Feb 19, 2025
Feb 19, 2025SOpen-market sale
Class A Common Stock10b5-1
-800$165.94$133k293,682Feb 19, 2025
Feb 19, 2025SOpen-market sale
Class A Common Stock10b5-1
-100$166.97$17k293,582Feb 19, 2025
Feb 19, 2025MOption exercise
Employee Stock Option (right to buy)derivative10b5-1
-15,000$0.00$0205,341Feb 19, 2025
Feb 19, 2025MOption exercise
Class B Common Stockderivative10b5-1
+15,000$0.00$023,925Feb 19, 2025
Feb 19, 2025CConversion
Class B Common Stockderivative10b5-1
-15,000$0.00$08,925Feb 19, 2025

Related signals

Other insiders at Cloudflare, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
38Weak
NETsell 210b5-1
Cloudflare, Inc.
Michelle Zatlyn
President and Board Co-Chair
$35M
99,009 shares
-96%
35Weak
NETsell 310b5-1
Cloudflare, Inc.
Carl Ledbetter
director
$1.8M
5,000 shares
-1%
27Weak
NETsell 310b5-1
Cloudflare, Inc.
Thomas J Seifert
Chief Financial Officer
$3.3M
10,000 shares
-8%
35Weak
NETsell 310b5-1
Cloudflare, Inc.
Carl Ledbetter
director
$1.6M
5,000 shares
-1%
45Moderate
NETsell 310b5-1
Cloudflare, Inc.
Michelle Zatlyn
PRESIDENT & BOARD CO-CHAIR
$28M
99,009 shares
-96%
45Moderate
NETsell 310b5-1
Cloudflare, Inc.
Michelle Zatlyn
President and Board Co-Chair
$9.6M
76,920 shares
-375%
27Weak
NETsell 310b5-1
Cloudflare, Inc.
Thomas J Seifert
CHIEF FINANCIAL OFFICER
$1.2M
10,000 shares
-3%
65Notable
NETsell 410b5-1
Cloudflare, Inc.
Matthew Prince
CEO & Board Co-Chair
$18M
157,152 shares
-300%
26Weak
NETsell 510b5-1
Cloudflare, Inc.
Douglas James Kramer
Chief Legal Officer
$420k
3,000 shares
-1%
27Weak
NETsell 510b5-1
Cloudflare, Inc.
Thomas J Seifert
Chief Financial Officer
$2.1M
15,000 shares
-5%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Thomas J Seifert sold $4.6M of NET | InsiderTell